Patents by Inventor Alberto BUFFA

Alberto BUFFA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for the bottom-up construction of vertical risers from underground passes through the soil, using a pipe jacking equipment
    Patent number: 11441423
    Abstract: A “Riser Concept” Method and Apparatus includes the bottom-up construction of vertical risers from underground passes through the soil, using a pipe jacking equipment. The pipe jacking equipment vertically push the riser pipe from underground pass upwards through soil formations to waterbody, air intake, terrain surface or like. The method and mechanism can be applied either in traditionally bored tunnel or in tunnel bored by tunnel boring machine.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: September 13, 2022
    Assignee: WEBUILD S.P.A.
    Inventors: Nicola Valiante, Alberto Buffa
  • METHOD AND APPARATUS FOR THE BOTTOM-UP CONSTRUCTION OF VERTICAL RISERS FROM UNDERGROUND PASSES THROUGH THE SOIL, USING A PIPE JACKING EQUIPMENT
    Publication number: 20210222495
    Abstract: A “Riser Concept” Method and Apparatus includes the bottom-up construction of vertical risers from underground passes through the soil, using a pipe jacking equipment. The pipe jacking equipment vertically push the riser pipe from underground pass upwards through soil formations to waterbody, air intake, terrain surface or like. The method and mechanism can be applied either in traditionally bored tunnel or in tunnel bored by tunnel boring machine.
    Type: Application
    Filed: May 16, 2018
    Publication date: July 22, 2021
    Applicant: SALINI IMPREGILO S.P.A.
    Inventors: Nicola VALIANTE, Alberto BUFFA